Gas grill



FIG. 1 is a front and left-side perspective view of a gas grill showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front view thereof; and,

FIG. 4 is a left side view thereof.

Any surfaces of the design not shown, including interior or bottom surfaces, form no part of the claimed invention. 

We claim the ornamental design for a gas grill, as shown and described. 